The rising unemployment rate worries some of how and where the foreigners are snatching Jobs from US economy. The compiled H1-B data available via flcdatacenter/H1B shows many details of what skill level and which company or the city is paying the top dollar for H1-Bs.

Big Name Tech Companies Salaries By Job Title

Keeping aside for a while the H1-B aspect, What salaries do big name tech companies pay to their employees? Google Customer Solutions Engineer Gareth Jones has set up a site TechCompanyPay which takes LinkedIn Data and mashes to get what top tech companies pay by Job title.

EB2 dates advanced by 3.5 months for India and sadly only by a week for EB3 status as compared against previous month's October 2011 Bulletin
via H1B visa: Who is spending how much and where – Not sure what this number represents – It cannot be salaries as the amount seems smaller.

Houston City Salaries By Job Title

Need more number crunching then visit the data mining analysis done here
In city Houston the data shows what salaries are paid by job title.